package cn.tedu.ivos3.user.service.impl;

import cn.tedu.ivos3.base.exception.ServiceException;
import cn.tedu.ivos3.base.response.StatusCode;
import cn.tedu.ivos3.user.mapper.UserMapper;
import cn.tedu.ivos3.user.pojo.dto.UserLoginParam;
import cn.tedu.ivos3.user.pojo.dto.UserQuery;
import cn.tedu.ivos3.user.pojo.dto.UserSaveParam;
import cn.tedu.ivos3.user.pojo.entity.User;
import cn.tedu.ivos3.user.pojo.vo.UserVO;
import cn.tedu.ivos3.user.service.UserService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;

@Slf4j
@Service
public class UserServiceImpl implements UserService {
    @Autowired
    UserMapper userMapper;

    @Override
    public UserVO login(UserLoginParam userLoginParam) {
        log.debug("用户登录业务参数：{}", userLoginParam);
        UserVO userVO = userMapper.selectByUsername(userLoginParam.getUsername());
        if (userVO == null) {
            //如果主业务遇到了问题,需要抛出业务层异常,此时的异常结果由全局异常处理器返回给前端
            throw new ServiceException(StatusCode.USERNAME_ERROR);
        }
        if (!userVO.getPassword().equals(userLoginParam.getPassword())) {
            throw new ServiceException(StatusCode.PASSWORD_ERROR);
        }
        //只有不出现上方的两个异常情况,才会执行下面的代码,将业务层结果交给controller返回给前端
        log.debug("用户查询结果：{}", userVO);
        return userVO;
    }

    @Override
    public void saveUser(UserSaveParam userSaveParam) {
        log.debug("保存用户业务：{}", userSaveParam);
        User user = new User();
        BeanUtils.copyProperties(userSaveParam, user);
        if(user.getId() == null){//新增
            user.setPassword("123456");
            user.setCreateTime(new Date());
            userMapper.insert(user);
        }else{//更新
            user.setUpdateTime(new Date());
            userMapper.update(user);
        }
    }

    @Override
    public List<UserVO> selectUser(UserQuery userQuery) {
        log.debug("查询用户业务参数：{}", userQuery);
        List<UserVO> list = userMapper.selectUser(userQuery);
        log.debug("查询用户业务结果：{}", list);
        return list;
    }

    @Override
    public void resetPassword(Long userId) {
        log.debug("重置密码业务参数：{}", userId);
        User user = new User();
        user.setId(userId);
        user.setPassword("root");
        user.setUpdateTime(new Date());
        userMapper.update(user);
    }

    @Override
    public void updateStatus(Long userId, String status) {
        log.debug("修改用户状态业务：{},{}", userId, status);
        User user = new User();
        user.setId(userId);
        user.setStatus(status);
        user.setUpdateTime(new Date());
        userMapper.update(user);
    }

    @Override
    public void deleteUser(Long userId) {
        log.debug("删除用户业务：{}", userId);
        userMapper.deleteUser(userId);
    }
}
